Our Canadian Tactics come from the 2018 World Youth Chess Championship, currently underway in Greece. It is Black to move in both diagrams.
Games with notes below...
11 Canadians are playing. Results after 6 rounds (alphabetically):
..
[Event "WYCC U16g"]
[Site "Batumi GEO"]
[Date "2018.10.22"]
[Round "4"]
[White "Ouellet, Maili-Jade"]
[Black "Golsta, Ramona"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "2122"]
[BlackElo "1681"]
[Annotator "John Upper"]
[PlyCount "45"]
[EventDate "2018.??.??"]
1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nc6 5. Nf3 Nf6 6. a3 a6 7. dxc5 Bxc5 8. b4
Be7 9. Bb2 O-O 10. Qc2 ({For the past 100 years, the most popular way to play
is to saddle Black with the IQP and press, as in these two games, played 100
years apart:} 10. cxd5 exd5 (10... Nxd5 11. Nxd5 exd5 12. Be2 Be6 13. O-O Rc8
14. Qd2 Bf6 15. Rac1 Qe7 16. Rc5 Bxb2 17. Qxb2 Na7 18. Rfc1 Rxc5 19. Rxc5 Rc8
20. Rxc8+ Nxc8 21. Qc3 h6 $16 {White has the better minors. 1-0 (37) Lasker,
E-Showalter,J Chicago,IL 1918}) 11. Be2 Be6 12. O-O Rc8 13. Nd4 Nxd4 14. Qxd4
Qd7 15. Rad1 Rfd8 16. Rd2 Ne8 17. Rfd1 Bf6 18. Qd3 $11 {1-0 (48) McShane,L
(2669)-Pritchett,C (2274) Hull 2018}) ({Instead, allowing ...dxc4 results in a
symmetrical position, as in this very old game:} 10. Be2 dxc4 11. Bxc4 b5 12.
Bd3 Bb7 13. O-O Qc7 14. Rc1 Rfd8 15. Qe2 Rac8 16. Rfd1 Bd6 17. h3 (17. Ne4 $14
{freeing the Bb2 as MJ does in her game.}) 17... Qe7 18. Bb1 $6 (18. Ne4 $14)
18... Ne5 $11 {1/2-1/2 (57) Staunton,H-De Saint Amant,P Paris 1843}) 10... dxc4
11. Bxc4 b5 12. Bd3 ({The following was clearly a good lesson for Rubinstein,
who later turned this opening into a Great Game vs Rotlewi.} 12. Rd1 Qb6 13.
Bd3 Bb7 14. O-O Rac8 15. Qb1 Rc7 16. Ne4 Nxe4 17. Bxe4 g6 18. h4 $1 a5 19. h5
f5 20. hxg6 $1 hxg6 (20... fxe4 21. gxh7+ Kxh7 22. Qxe4+ $18) 21. Bxc6 $1 (21.
Qa2 $3) 21... Bxc6 22. Qa2 (22. Ne5 $1 Be8 23. Bd4 {Black has the Bs, but
White's minors and Rs are much better placed.}) 22... Bd5 23. Rxd5 $1 exd5 24.
Qxd5+ Kh7 25. Nd4 axb4 $2 26. Ne6 $1 $18 bxa3 27. Nxf8+ $4 (27. Qe5 $18 {
with mating threats and an extra attacker on c7.} Bf6 28. Nxf8+ Kg8 29. Qe8 {Only move.}
$18) 27... Bxf8 28. Bd4 Qc6 $19 {0-1 (40) Moewig,A-Rubinstein,A Barmen 1905})
12... Bb7 13. O-O Rc8 14. Rfd1 Qc7 (14... Qb6 {looks like the safer square for
the Q.} 15. Qe2) 15. Rac1 h6 16. Ne4 $1 $14 Nxe4 17. Bxe4 Qb6 18. Qe2 Rfd8 19.
Nd4 {There are a lot of forcing continuations here, and Black now goes
catastrophically wrong:} Bf6 $4 (19... Nxd4 $4 20. Bxd4 Rxd4 $18 {only move to
save the Q and the Bb7.}) (19... Ne5 $2 20. Bxb7 Qxb7 21. Nxe6 $16) (19... Nb8
$1 20. Qf3 {and the upcoming trades should burn it down to equality.}) 20. Nxc6
$1 $18 Rxd1+ 21. Qxd1 Bxc6 22. Bxf6 gxf6 23. Qd6 {The pins wins.} 1-0
[Event "WYCC O14"]
[Site "?"]
[Date "2018.10.25"]
[Round "6"]
[White "Redzisz, Michal"]
[Black "Vettese, Nicholas"]
[Result "0-1"]
[ECO "E80"]
[WhiteElo "2026"]
[BlackElo "2338"]
[Annotator "John Upper"]
[PlyCount "46"]
1. d4 Nf6 2. c4 g6 3. f3 c5 4. d5 d6 5. Nc3 Bg7 6. e4 O-O 7. Bd3 e6 8. Bg5 (8.
Nge2 exd5 9. exd5 Nbd7 10. Ng3 a6 11. a4 Ne5 12. Be2 Bd7 13. O-O b5 14. cxb5
axb5 15. Nxb5 c4 16. Nc3 Re8 17. h3 Bc8 18. Kh1 Qb6 19. Rb1 Nd3 20. Bxd3 cxd3
21. b4 Qd4 22. Nb5 $4 Qh4 $1 $19 23. Kh2 Nxd5 $17 (23... Nh5 $3 24. Nxh5 Bxh3
$3 25. gxh3 Re2+) 24. f4 Ne3 25. Bxe3 Rxe3 26. Rf3 Bg4 $1 $19 27. Rxe3 Bxd1 28.
Rxd1 Qxf4 29. Re4 Qf2 30. Rxd3 Be5 31. Nxd6 Qc2 32. Rxe5 Qxd3 33. Nge4 Kf8 34.
Nb7 Qd4 {0-1 (34) Pelts,R-Shianovsky,V Kiev (Ukraine) 1964}) 8... h6 9. Bh4
exd5 10. exd5 (10. Nxd5 g5 11. Bg3 Nxd5 (11... Nc6 $5)) 10... Nbd7 11. f4 Qb6
12. Qc2 $6 (12. Qd2) 12... Re8+ 13. Nge2 Ng4 $1 $17 {With the white Q on d2
White could castle 00 without suffering a fork on e3.} 14. Bf2 Bd4 $1 15. Bxd4
$2 cxd4 16. Nb5 (16. Nd1 Nc5 17. O-O (17. Bxg6 {fails to several moves,
including} fxg6) 17... Nxd3 $19 {leads to the same tactic we see in the game.})
16... a6 17. Na3 (17. Nbxd4 Qxd4) 17... Nc5 {Should White castle? If so, which
side?} 18. O-O (18. O-O-O {gives Black a choice of winning forks:} Nf2 (18...
Ne3)) 18... Nxd3 $1 19. Qxd3 Rxe2 $1 20. b3 (20. Qxe2 d3+ {leaves Black up a R.
}) 20... Bf5 21. Qf3 d3+ 22. Kh1 h5 23. c5 {.... maybe...?} Qxc5 $1 {Nope. He saw it.
} 0-1
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